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Test 7A - No Response From Instrument Cluster

  1. Remove instrument cluster. Turn ignition on. Using external voltmeter, measure voltage between ground and terminal No. 3 (Violet wire) on instrument cluster connector. If voltage is 10 volts or less, repair open Violet wire. If voltage is greater than 10 volts, go to next step.
  2. Connect jumper between ground and terminal No. 8 (Violet/Brown wire) on instrument cluster connector. Using scan tool, select BODY, BODY COMPUTER, then SYSTEM TEST. Perform CCD BUS test. If scan tool does not display BUS SHORT TO GROUND, repair open Violet/Brown wire. If scan tool displays BUS SHORT TO GROUND, go to next step.
  3. Connect jumper between ground and terminal No. 9 (White/Black wire) on instrument cluster connector. Perform CCD BUS test. If scan tool does not display BUS SHORT TO GROUND, repair open White/Black wire. If scan tool displays BUS SHORT TO GROUND, replace instrument cluster circuit board.
NOTE: For connector terminal identification, refer to CONNECTOR IDENTIFICATION  . For wiring diagrams, refer to WIRING DIAGRAMS  . After each repair, perform TEST VER-1A  .
CAUTION: Always turn ignition off prior to disconnecting any module connector.
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